Program to Display Reverse Numbers
Reverse Number
We will write a C program to display the reverse of the given number and the number will be entered by the user. This will help to understand the basic structure of programming. In this program , we will display the reverse of given numbers easily by using proper syntax and algorithms.
Working of Program :
In the program, we will require some numbers from the user to display the reverse of the given numbers.
Syntax for while() loop:
while(condition)
{
// Statements
// Increment / Decrement
}
Problem 1
Write a program to reverse the given number.
- Firstly, we have to enter the any number.
- Then print that reverse number.
Code
#include<stdio.h>
int main ()
{
int n = 4567, reverse = 0, rem;
while (n != 0)
{
rem = n % 10;
reverse = reverse * 10 + rem;
n /= 10;
}
printf ("Reversed number = %d", reverse);
return 0;
}
Output
Reversed number = 7654
Note:
In the following program we will display the reverse number using do-while() loop.
Syntax for do – while() loop:
do
{
// Statements
// Increment / Decrement
}
while(condition)
Problem 2
Write a program to display the reverse number using do – while() loop.
- Firstly, we have to enter the any number.
- Then print that number is palindrome or not.
Code
#include<stdio.h>
int main ()
{
int n = 8967, a, r, s = 0;
a = n;
do
{
r = n % 10;
s = s * 10 + r;
n = n / 10;
}
while (n > 0);
printf ("\nThe Reverse Number = %d",s);
return 0;
}
Output
The Reverse Number = 7698
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